Home / 2,681,632.20-4,018,949.10-1,082,886.60

Finding the Fourth Proportional to 2,681,632.20, 4,018,949.10 and 1,082,886.60

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Solution

The fourth proportional to 2,681,632.20, 4,018,949.10 and 1,082,886.60 is: 1,622,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,632.20 : 4,018,949.10 = 1,082,886.60 : x
  2. Step 2: Convert to fraction form
    2,681,632.20/4,018,949.10 = 1,082,886.60/x
  3. Step 3: Cross multiply
    2,681,632.20x = 4,018,949.10 × 1,082,886.60
  4. Step 4: Simplify right side
    2,681,632.20x = 4,352,066,126,472.06
  5. Step 5: Solve for x
    x = 4,352,066,126,472.06/2,681,632.20
  6. Step 6: Final answer
    x = 1,622,916.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.